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    Deus Ex Machina 
https://static.tvtropes.org/pmwiki/pub/images/deus_352.jpg
Voiced by: Norio Wakamoto (JP), Kent Williams (EN)

The Lord of Time and Space who has called forth the Diary Holders to participate in a battle royale. He wishes to pass on his power to the winner of the contest.


  • Akashic Records: He has it as he planned to send Akise back since he served his purpose.
  • All-Powerful Bystander: Despite being a literal divine level Reality Warper who controls everything about his dimension, he does not directly interfere with the games for two reasons, 1) it's against the rules he's set up only interfering when knowing someone is bypassing the rules and 2) he's slowly decaying.
  • Bequeathed Power: Transfers half of his power to Minene.
  • Big Bad: Seems to be this for much of the series, since he is the organizer of the Deadly Game. However, Mur Mur is the one really in control.
  • Blue and Orange Morality: Honors and expects fair play within the games he supervises, but sees nothing morally wrong with conducting the survival game despite all the casualties it causes. He also likes to start wars for fun.
  • Catchphrase: In the English Dub, Deus is fond of the phrase, "wheels within wheels" to describe his machinations.
  • Cosmic Keystone: Without him, the universe collapses made worse since he's dying.
  • Disc-One Final Boss: Though he initially seemed to be the main villain, it turns out that his servant Mur Mur had her own plans.
  • Divine Intervention: Deus saves Minene and gives her half of his power so she can stop Mur Mur and Yuno.
  • Enigmatic Empowering Entity: He gave the 12 holders their diary powers as well as giving Minene half of his powers and a new arm.
  • God Is Dead: He dies near the end of the series sooner than expected since he gave Minene some of his power.
  • God Is Flawed: He leans a bit closer to this in that he wants the survival game to play out fairly between the players and without outside intervention from himself or Mur Mur, and honestly can't see the problem in it so long as he's kept entertained and his successor is chosen. He is also very willing to cancel the whole game entirely when John Bacchus decides to stop the Future Diary Project from developing further in the 3rd-world.
  • Godzilla Threshold:
    • Upon learning that Mur Mur purposely had the Fourth eliminated much earlier than planned, he becomes more cautious of her, and responds by placing the Observer note  on a more active role in the game.
    • Later, when it becomes glaringly obvious to Deus that Mur Mur is seen manipulating the game to go in Second's favor, it grows to the point that he had to rescue Minene from death and bestow her with half of his power to keep the game on track.
  • Graceful Loser: When Akise is able to prove his autonomy, Deus concedes that he is able to take his own actions and allows him back into the human world, able to change the game free of Deus' influence.
  • Image Song: "EGOIST".
  • It Amused Me: Another part of his reason for creating the game.
  • Jerkass God: He sits back and lets the players kill each other, only interfering due to players not playing by the rules. He doesn't care about how the battle game will emotionally scar the Diary users. He then deconstructs every choice of free will that Akise ever did, even his love for Yuki, that being all programmed.
  • Kick the Dog: When he tells the truth to Akise about being an Artificial Human, Akise declares that his love for Yukiteru is genuine. Deus, who is nearly finished in returning Akise to the Akashic Records, tells Akise that those feelings were also programmed into him. Given that Akise is very serious about his love for Yukiteru, it's a low blow, even if it ended up being true.
  • King of All Cosmos: Not as completely immortal as most.
  • Leitmotif: EGOIST, performed by Yousei Teikoku. In an unusual example, it doesn't ever play in the anime, and is only on the soundtrack.
  • Meaningful Name: Apart from being a god of causality, Deus is often manipulating reality from his throne contraption, a literal "god in the machine".
  • Metaphorically True: When Yukiteru asks him to revive Rea, Deus replies than it's impossible. When questioned why that is so, he states that he's dying and losing his power. While he doesn't outright lie, the way he phrases his reply makes it look like it's only impossible for him in particular and that the new god will be able to revive Rea; he doesn't mention that even a god would only be able to revive the body but not the soul. As his later conversation with Akise shows, it's not that Deus himself isn't aware of this.
  • Non-Standard Character Design: His design looks like something out of Brian Froud's imagination than an anime character.
  • Not-So-Imaginary Friend: Yuki at first believes Deus to be his Imaginary Friend. Turns out he isn't.
  • The Omniscient: While he is God, the unstable nature of the Survival Game means he cannot keep track of everything. So he uses an Artificial Human which he calls The Observer to record the events of the game, to check on the participants and investigate any irregularities which may endanger the game.
    • For example when he noticed that the Tenth has hidden himself from the game, the Observer was sent to check on him.
    • Another is when Second digs a big pit and has buried something in her home. The Observer was sent to investigate what she was trying to hide. Later revealed to be three corpses, two were Second's parents and the third is later revealed to be the Second belonging to this timeline. Deus deduces from this the nature of the Second, and plans accordingly.
  • Pals with Jesus: Pretty much everyone who is able to visit the Hall of Causality is this to him since he's a pretty chill God. Special mention goes to Yukiteru though, whom Deus clearly favors over everyone else. Another is with Bacchus as the two of them together founded the Survival Game.
  • Rules Lawyer: He puts a large emphasis on the rules he found Tenth's avoidance to be a deviance from the game, so he planned accordingly, as well as planning against Mur Mur once it's clear that she favors Yuno.
  • Sesquipedalian Loquaciousness: In the English dub.
  • Your Days Are Numbered: By the time of the game, he was dying, so he wants the game to be completed as soon as possible.
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    Mur Mur 
https://static.tvtropes.org/pmwiki/pub/images/murmur_4761.png
Voiced by: Manami Honda (JP), Leah Clark (EN)

Deus Ex Machina's servant, who takes the form of a dark-skinned little girl. She is not as loyal to him as anyone was led to believe.


  • Arch-Enemy:
    • To Akise, whose she's more dickish to and Akise being one of the few people who knows her true nature, especially in Paradox.
    • She also becomes one to Minene in the final battle, with them duking it out while Yuki and Yuno have their own conflict.
  • The Atoner: In the Redial OVA, the 1st-world Mur Mur is trapped by the 3rd-world's incarnation with the first Yuno's memories. Through this she realizes the enormity of pain she had caused and contacts Yuno via a keychain replica of herself to give her a proper happy ending.
  • Bastard Understudy: Subverted in the end. It turns out she was loyal to Yuno, most likely because she became god in the 1st-world.
  • Big Bad: She can be considered this for the whole story - while technically subservient to Yuno, she also is more powerful, more clear-headed, and even manipulates Yuno according to her own desires.
  • Bitch in Sheep's Clothing: She sets herself off up as a Cloud Cuckoo Lander as well as a Bratty Half-Pint, in reality, she's far more manipulative and malevolent.
  • Bunny-Ears Lawyer: She's a silly character for the most part (despite the occasional slip up, like the incident that sets up the storyline for Paradox), but she knows how to do her job. And she is a lot more competent and devious than she first appears.
  • The Chessmaster: She is a lot more competent and cunning than it seems at first sight. She have been scheming in the Survival Game to ensure Yuno wins the game and goes back in time to do it over again infinitely. This included handing to Yuno a second diary, earlier death the Fourth, telling Yukiteru that his mother can be returned to life if he becomes a god, waiting for Deus death and taking for herself his powers in order to declare Yuno the winner in the Survival Game after the way she kills Yukiteru and finally return to the past to repeat it again.
  • Clipped-Wing Angel: Even after taking her One-Winged Angel form, its implied that it exhausted a lot of her strength, since she was easily taken down by her other still restrained self.
  • The Dog Was the Mastermind: The true villain, whom Yuno and Deus Ex Machina himself were nothing more than pawns to, is... the cute little Plucky Comic Relief girl who barely showed up in the main story at first, only appearing in Omakes and side material.
  • The Dragon: To Deus Ex Machina. Also, towards the end, she fights off the empowered Minene while Yuno arranges her life in the 3rd-world.
  • Dragon-in-Chief: Deus Ex Machina may be the organizer of the game, and Yuno might be the goddess in the 1st-world who arranged this whole mess, but Mur Mur is more competent concerning knowledge of space and time, schemes behind Deus's back, and is the one who gives advice to Yuno on how to continue the Survival Game. Also unlike Yuno, she has the ability to travel through time, and it is thanks to Mur Mur that Yuno was able to get into the 3rd-world. She also is much stronger than Yuno in the battle, and certainly has no doubts about continuation of the Survival Game. Throughout the whole series, she has tried to ensure Yuno's victory while Yuno herself didn't want to win the Survival Game again (before Yukiteru refuses to kill her). And also take into account that if it were not for Mur Mur, then Minene would have had no trouble killing Yuno when she had the chance.
  • Enigmatic Minion: Towards the middle of the story, Mur Mur starts hinting that she knows more than she lets on, perhaps more than Deus, and manipulates the game accordingly. Her true purpose isn't revealed until the full story about Yuno being Mur Mur's real god comes to light.
  • Fusion Dance: 1st-world Mur Mur did this and absorbed Yuno's corpse, inheriting her memories in the process.
  • Game Face: Her One-Winged Angel form in spades.
  • A God Am I: She takes over after Deus dies.
  • Heel–Face Turn: 1st-world Mur Mur has one in Redial, where she becomes The Atoner .
  • Hero Antagonist: 3rd-world Mur Mur from the Redial OVA. She's simply trying to fulfill her duty as a loyal servant of Deus and 1st-world Mur Mur is a threat.
  • Humongous Mecha: Created one of these to fight Minene in the Redial OVA.
  • Image Song: "UBIQUITOUS".
  • It Amused Me: Her main motivation for repetition of the Survival Game, not counting her devotion to Yuno. In fact, it may be even more than her devotion to Yuno considering the fact she shows Yukiteru the past events of the 1st-world to "make the game more interesting" despite the fact that Yuno didn't want Yukiteru to witness this.
  • Jerkass: Mainly toward Akise. Otherwise, she mostly enjoys screwing around with everyone else.
  • Just Between You and Me: Shows Yukiteru the past events of the 1st-world right after Yuno starts to attack him to "make the game more interesting". Since she was working under Yuno, she was probably expecting him to die right after showing him the past world. And she would've been right had it not been for Minene's interference.
  • Laughably Evil: She is quite the malevolent schemer and much of the show's comedy comes from her.
  • Manipulative Bitch: She manipulated the Fourth, telling him ahead of time about his son's illness in order to speed up the game. And also manipulated Yukiteru, telling him that his mother can be returned to life if he becomes a god in order to motivate him to take a greater part in the game and off the remaining contestants.
  • Meaningful Name: Her name can be read as the Hebrew word for both "Whisper" and "Frustration", both of which hint at her true nature.
  • Ms. Exposition: In the dub, this is lampshaded in the second episode's omake.
  • No-Holds-Barred Beatdown: She gives one to Minene in her unrestrained form.
  • Not-So-Harmless Villain: Especially when her shackles are taken off.
  • Obfuscating Stupidity: She sets herself off up as a Cloud Cuckoo Lander as well as a Bratty Half-Pint, when in reality, she's far more clever than it seems at first glance.
  • One-Winged Angel: The form she takes after destroying her bracelets, a gray skinned, deranged version of herself with Red Eyes, Take Warning.
  • Perky Female Minion: To the God of Space and Time, whomever it may be.
  • Purple Eyes: See image a above.
  • Rapunzel Hair: It's the same length as her body.
  • Religious and Mythological Theme Naming: Named for the Goetic demon Mur Mur. She also carries a small trumpet on her hip to reinforce the namesake. She eventually wears a crown just like the Mur Mur from myth is said to wear after Deus' death.
  • Restraining Bolt: The bracelets she wears keep her from acting against Deus's will, or so he thought. In Chapter 57, she takes them off. She was indeed serving God's will, but that God was not Deus.
  • Shipper on Deck: Kind of. In the Redial OVA, her actions reunited Yuki and Yuno, showing that, to some degree, she does approve of their relationship, though she might not have really cared before.
  • Spell My Name with an "S": Although both fan translations of the Manga and the official Tokyopop release spelled her name "MuruMuru", the opening to the anime displays her name as "MurMur".
  • The Starscream: To Deus. She seems to be his faithful servant when in fact she a waits until he dies and she will can take his authority to proclaim Yuno the winner in the Survival Game.
  • Verbal Tic: Ends every sentence with "-noja", the equivalent of the standard Japanese explanatory expression "-noda" in some Western Japanese dialects.
  • You Gotta Have Blue Hair: She has violet hair.

    Aru Akise 
https://static.tvtropes.org/pmwiki/pub/images/akise_aru_mn_1774.png
Voiced by: Akira Ishida (JP), Todd Haberkorn (EN)

Yuki's classmate who develops a peculiar interest in him. He desires to be a great detective, and dives head-first into the mysteries surrounding the Diary Holders. He later gets from Eighth's Diary the "Detective Diary" which predicts other diary owners' actions regardless of how they change the future. In Paradox, however, he borrows Yukiteru's "Indiscriminate Diary".


  • Adaptational Heroism: The anime excises him willingly setting Yuki's friends up to potentially die and not intervening to save them.
  • Alliterative Name: Aru Akise.
  • All-Loving Hero: In Paradox. He does all in his power to prevent the many casualties that Yuno originally caused in the main series. This includes not involving anyone during Ninth's hostage situation and battling her on his own (albeit using Mur Mur as a fake hostage as well), figuring out what the cult was planning to do to Sixth and save her, prevent Fifth from becoming murderous by saving his parents and making Twelfth realize that his view of the world is wrong and he can still redeem himself by saving another. He even gets to befriend Seventh and Eighth in said situation. Naturally, the only person who does not like this attitude one bit is Mur Mur.
  • Always Save the Girl: In Paradox, in regards to Yuki and Tsubaki (though it might be just part of his plan in the latter's case).
  • Amateur Sleuth: Aspiring to become a Great Detective.
  • Ambiguously Bi: If Paradox is anything to go off of. He insists very clearly he is not gay, and seems to have a weird fondness for Tsubaki Kasugano, despite the undeniable Ho Yay with Yukiteru.
  • Angel Unaware: He's later revealed to be the Observer, an Artificial Human specifically created by Deus to monitor the game from within.
  • Artificial Human: He's really the Observer created by Deus to monitor the game to prevent cheating.
  • Back from the Dead: The Redial OVA imply that 3rd-world Akise is 2nd-world Akise.
  • Badass Gay: While he claims he isn't gay, he has definite romantic feelings for Yukiteru, and he's a Badass Normal who can outsmart half the major cast.
  • Badass Normal: He doesn't have a Future Diary, but he can still go toe-to-toe with Diary Holders.
  • Barehanded Blade Block: In the manga during Yukiteru's and Yuno's last fight with Eleventh, he saves Eighth from Yuno by grabbing the blade of Yuno's sword when she's attacking her.
  • Beware the Nice Ones: Akise rarely gets pissed off even when Yuno tries to kill him multiple times. The only time he lost it was when he spared Yuno and she responds by calling Yuki and lying to him and manipulates him to kill his friends.
  • Bishie Sparkle: In Paradox, especially in Chapter 3.
  • Bishounen
  • Bodyguard Crush: On Yuki.
  • Break the Cutie: His confrontation with Deus. It's a real shocker to find out that you're not even human and then denied the things that made you you. The pride in his detective skills as well as his love for Yuki were denied by God himself. Fortunately, he breaks out of this quickly.
  • The Comically Serious
  • Crazy Jealous Guy: Towards Yuki, but only when Yuno is involved and rather subtle compared to how Yuno is a Clingy Jealous Girl for Yuki until the final confrontation.
  • Crazy-Prepared: Near the beginning of his final fight with Yuno.
  • Declaration of Protection: To Yuki.
  • Determinator: Not even being completely beheaded stops him from giving Yukiteru a final warning about Yuno.
  • Didn't See That Coming: Yuno having two Diaries. Of course no one besides Mur Mur or Yuno would have seen it coming.
  • Dissonant Serenity
  • Does This Remind You of Anything?: Akise briefly having Yukiteru's physical appearance at the beginning of the Redial OVA is almost definitely a reference to Paradox.
  • Dramatic Irony: He spends most of his run outsmarting diary holders with just his wits. When he gets his own diary Yuno outsmarts him and his diary with a clever Batman Gambit.
  • Empowered Badass Normal: After he's revealed to be an Artificial Human created by Deus to observe the game, he receives the most powerful future diary of all through the Eighth's server system and uses it to become a terrifying opponent for even Yuno.
  • Explaining Your Power to the Enemy: Reveals that he has a Child Diary at the very beginning of his final confrontation with Yuno, and soon after that explains what its power is as well. This makes it possible for Yuno to find a way to use that information against Akise himself, thus contributing to his ultimate defeat and death.
  • Expy: His similarities to Kaworu of Neon Genesis Evangelion go way past the point of being unintentional. Like Kaworu, he's a white-haired guy voiced by Akira Ishida who seems to be in love with the meek main character, and turns out to be an "angel" and later dies of decapitation.
  • First Law of Resurrection: Despite the fact that the survival game never started in the 3rd-world and thus Deus didn't need an observer to keep up with it, Akise is shown to be alive and well in the 3rd-world in one of the closing panels of Chapter 59. The manga doesn't give any explanation for his recreation. In the anime, 3rd-world Deus is shown using Akise to gather information about the impact Yukiteru, Yuno, and Minene made on the 3rd-world, so he presumably recreated Akise for that purpose.
  • Forceful Kiss: Steals a kiss from Yukiteru right in front of Yuno.
  • Great Detective: In the Redial manga he goes on to become a world famous detective.
  • Guile Hero: Relies on his own wits to trick his enemies rather than the Scry vs. Scry of the other Diary users.
  • Hero Antagonist: In contrast to Yuno's Villain Protagonist.
  • Heroic Albino: Has shown shades of this in the actual series. Played straight in Paradox.
  • Heroic Resolve: Even though he was deleted and Deus proved that everything he did was planned out as God's will, he decides to forge his own future from that point on, creates his own future diary with Eighth's server system, and swears to protect Yukiteru.
  • Heroic RRoD: When he confronts Deus on his own and finds out that he's an Artificial Human, he tries to prove that everything he had done up to that point wasn't programmed into him, but with each of Deus' rejections, his body decayed more and more as it was returned into Deus's Akashic Records. When he finally tried declare that his love for Yukiteru was real, Deus rejected that as well, and said it was also something that he willed to happen as God.
  • Hidden Heart of Gold: Towards Yuki.
  • Hopeless Suitor: He is in love with Yuki and even tries to pursue him, but it's quite clear that Yuki is more interested in Yuno.
  • I Did What I Had to Do: During his last meeting with Yukiteru in the manga, he claims that not stopping him from killing Mao and Kosaka was necessary, because it meant that the future predicted by his diary wouldn't change and that he would manage to kill Yuno. It's never made clear whether the readers are supposed to agree with Akise that letting Mao and Kosaka die was really necessary.
  • If It's You, It's Okay: Akise claims that he's not into boys. However, he says that he just loves Yuki.
  • I Gave My Word: Akise is one of the few characters that constantly tells the truth to Yuki and never breaks his promise to him. But it was almost certainly averted with his promise to Kamado that he would't hand her over to Yukiteru in exchange for giving him a Child Diary. When Yukiteru found him after killing Mao and Kosaka, Akise was guarding the unconscious Kamado. As she was awake and running away from Yukiteru while his friends were stopping him just in the previous chapter, Akise must have been the one who caught her and knocked her out, as nobody else could have done that. And he almost certainly did that with an intention of letting Yukiteru kill her or even kiling her himself, as he already stated that he wanted Yukiteru to be god.
  • I Let You Win: Implied to have intentionally lost to Yuno in the Redial OVA, as she finds the sword she took from him allowed her to go further in when her path was blocked.
  • Image Song: "The Search For A Certain Truth".
  • Incredibly Obvious Tail: When tailing Tenth, and indeed he gets spotted.
  • The Kid with the Remote Control: 3rd-world Deus gives Akise the demon Gremory who obeys his every command and comes to like Akise.
  • Last Kiss: More like a stolen kiss, but it was probably his first with Yuki as well as his last as Yuno kills him shortly afterwards.
  • Love at First Sight: In Paradox, Akise falls in love with the wounded Yuki at first sight.
  • Manipulative Bastard: A (usually) heroic example, doing so in the service of keeping people safe.
  • Mystical White Hair: His white hair certainly makes him look different from others. It later turns out he isn't even human.
  • Nice Guy: One of the nicest characters in the series, for the most part. He didn't kill Yuno when he had the chance because of his better judgment. However, he soon regrets it, and she kills him.
  • No Good Deed Goes Unpunished: Despite Akise sparing Yuno's life when he had the upper hand, she manages to trick his diary by forcing his blade into her abdomen, fulfilling his diary's prophecy and forcing him to waste his time in bandaging her wound so that she won't die, knowing that Yukiteru would lose his trust in Akise if he had allowed Yuno to bleed out. Once he runs to help the others, Yuno calls Yukiteru to lie to him about Akise and his friends, causing Hinata, Mao, and Kosaka to die as a result. Akise even relents that he should have killed her instead of letting her live.
  • Not So Above It All: For being such a heroic person, he's equally as Yandere to Yuki as Yuno is.
  • Not So Different: From Yuno, particularly in the manga where after learning the truth about his existence, he decides to be as amoral and manipulative as her if that's what it takes to save Yukiteru.
  • Off with His Head!: How he dies.
  • Out-Gambitted: To be fair, no one aside from Mur Mur knew Yuno had a second diary.
  • The Quiet One: Usually.
  • Red Eyes, Take Warning: He's a subversion of the trope as despite being a very subtle yandere, he's mostly a nice person overall. Double Subverted in his final confrontation with Yuno; he went for the kill and was only thwarted when Yuno was revealed to be holding out the second Yuno's future diary for him to smash.
  • Shipper on Deck: Subverted. At first he seems to be pushing Yuki to go out with Yuno going as far as to set them up for a date that could very well make them closer than before. However, this is so he can trespass Yuno's home hoping to dig up information that will make Yuki realize how much of a bad person she is.
    • Possibly zig-zagged in the Redial OVA, given that he intentionally lost to the 3rd-world's Yuno, and knowing what would happen if she freed the 1st-world's Mur Mur.
  • Ship Tease: A lot of this with Yukiteru in the main story and even stronger Paradox. Also has a fair amount with Tsubaki in Paradox, too.
  • Single-Target Sexuality: Yukiteru-sexual. Purposely made to be this way so that he would watch over Yukiteru for Deus.
  • Spanner in the Works:
    • The reason Tenth got caught in the first place is that he assumed that Akise was a diary wielder and was out to kill him. These turn of events later lead to his death.
    • He almost ruins Mur Mur's plans in Paradox by preventing the tragedies that happen to nearly all the characters.
    • In the main series, his dying message to Yukiteru serves as a catalyst which triggers the events leading to the final act.
  • Sympathy for the Devil: Despite being an enemy to her, Akise shows pity and compassion for Yuno several times due to her broken mental state and because he's aware that they are Not So Different in several regards. This works against him when he spares her life, only for her to come back and kill him.
  • Thou Shalt Not Kill: Unlike Yuno, Akise does all in his power to avoid killing someone. This backfires on him in the end. May be from his role as the Observer.
  • Yandere: Much more subtle than Yuno, but it seems to be there. While usually nice for everyone, he did prove on a few occassions that he's willing to sacrifice others for Yukiteru's sake. Once, without knowing whether it'll kill him or not, he instructed Yukiteru to break Kosaka's Child Diary, to see what might happen to him and to prevent Eighth from getting information from Kosaka's diary. Yukiteru did as he was told without any objections. Thankfully, since Kosaka wasn't bound by the game like the other diary holders, he lived.
    • Made even more obvious after Hinata's death, when Akise's diary predicted that Yukiteru would also kill Mao and Kosaka. Despite arriving at the scene in time to prevent this, Akise decided to abandon them to their fates instead. When questioned about this decision by Yukiteru, he replied that his diary also predicted that he's going to kill Yuno in a few minutes, so he didn't want to do anything that might have changed that future.
    • His vague yandere tendencies become less vague in Paradox, in that he is much more open about his desire to make sure that Yukiteru becomes a god.

    Hinata Hino 
https://static.tvtropes.org/pmwiki/pub/images/hinata_7580.jpg
Voiced by: Yuki Matsuoka (JP), Caitlin Glass (EN)

Another of Yuki's classmates, who quickly becomes friends with him. She's actually the daughter of the Tenth Diary Holder, and is commanding the dogs in place of her father, because she's desperate for her father's approval. She borrows the "Breeder's Diary" at first. Later she receives her own Future Diary from Eighth's Diary, the "Friend Diary", which predicts her interactions with her friends.


    Mao Nonosaka 
https://static.tvtropes.org/pmwiki/pub/images/mao_nonosaka_4067.jpg
Voiced by: Yukana (JP), Ashleigh Domangue (EN)

Yuki's classmate and best friend of Hinata. Later in the series, she gets from Eighth's Diary the "Lovely Hinata Diary", which predicts what happens to Hinata, as well as her "path to womanhood".


    Ouji Kosaka 
https://static.tvtropes.org/pmwiki/pub/images/507348-naamloos_1_large_2139.png
Voiced by: Minoru Shiraishi (JP), Joel McDonald (EN)

Yuki's classmate, who doesn't like him much (the feeling's mutual). He enjoys blogging on his cell phone, which inadvertently connects him to the Eighth's Diary. He gets the "Kosaka King Diary" while attempting to rescue Yuki from Yuno. It predicts his "brilliant moments". Later in the series, it is upgraded to the "Neo Kosaka King Diary", which predicts the brilliant moments of the people around him as well.


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    Masumi Nishijima 
https://static.tvtropes.org/pmwiki/pub/images/Masumi-Nishijima_7917.jpg
Voiced by: Makoto Ishii (JP), J. Michael Tatum (EN)

A police officer who works under Kurusu. Despite not having a Diary, he becomes deeply involved in the conflict between the Diary Holders, and especially after meeting and falling for Minene.


    Rea Amano 
https://static.tvtropes.org/pmwiki/pub/images/mnrea_5629.png
Voiced by: Kaoru Mizuhara (JP), Colleen Clinkenbeard (EN)

Yuki's mother who's usually away from home due to work. Despite this, she and Yukiteru are shown to have a stable and loving relationship. She approves of Yuno and Yuki as a couple, against Yuki's ignored protests.


    Kurou Amano 
https://static.tvtropes.org/pmwiki/pub/images/kurou_7840.png
Voiced by: Takehito Koyasu (JP), Eric Vale (EN)

Yuki's father who left after a divorce years ago. He and Yukiteru are shown spending some father-son bonding after a long time since the divorce around 2/3 into the manga, where he is introduced.


  • Accidental Murder: He accidentally kills his ex-wife when he stabs her out of panic.
  • Dirty Coward: He jumps out of a collapsing Sakurami Tower by stealing his son's parachute leaving him to die and then he stabs his ex-wife (which kills her) when she stops him from escaping because he's terrified that she'll tell the police he just left his son to die on a collapsing tower. However, he likely did not intend to kill his ex-wife.
  • Disappeared Dad: He left Yuki years ago after he and Rea got a divorce. He came back though.
  • Handsome Lech: He's Bishōnen and very pervy.
  • It's All About Me: His most prominent flaw is that he puts himself and his own troubles before everyone else. He shows up just to find and break Yuki's Diary so that the Eleventh will clear the 3 million yen debt he owes. However, at least in the anime he doesn't realize that doing so will kill Yuki.
  • Jerkass: He puts his problems before anyone else's - something that he shares with his son to a lesser extent.
  • Locked Out of the Loop: With all that said and done, he didn't know that destroying the Diary meant killing his son. All he knew was that if he broke his son's cellphone, his debt would be wiped clean: that would give him the chance to go back to his family and make amends.
  • Offing the Offspring: He tries to destroy Yuki's Diary, although in the anime he doesn't realize that this will kill Yuki; in the manga it's not made clear whether he knows this or not.
  • Pet the Dog: After he kills Rea and appears to be about to eliminate the evidence and escape, we learn that he had retrieved a telescope he had been previously forced to pawn so that he could gaze at the stars and calm himself before turning himself in. He also asks Yuki to start over with him when his sentence is over, to which he agrees. Despite trying to sell Yuki out to the enemy, and murdering his mother, it turns out those were just horrible mistakes that he never meant to happen and all he wanted was for the family to be happy... and then he dies.
  • Redemption Equals Death: Yuki was willing to give him another chance after he turned himself and fulfilled his sentence, but the Eleventh's men killed him before he could do any of that. Ergo, Yuki forgave him completely and then freaks out on the murderers.
  • Religious and Mythological Theme Naming: Fitting with the rest of his family's Theme Naming, "Kurou" resembles "Cronus". Not to mention how he tries to kill his son...
  • Too Kinky to Torture: He once begged Minene to keep kicking him.
  • Visit by Divorced Dad: It wasn't for making up for lost times.

    Ushio and Saika Gasai 
https://static.tvtropes.org/pmwiki/pub/images/saika_and_ushio_2428.jpg
Voiced by: Eiji Miyashita (Ushio - JP), Kikuko Inoue (Saika - JP), Christopher Sabat (Ushio - EN), Anastasia Munoz (Saika - EN)

Yuno's adoptive parents.


  • Abusive Mom: Saika towards Yuno which escalated with each cruel abuse till the little girl snapped.
  • The Atoner: Saika in the 3rd-world. Having realizing the error of her ways, she becomes a lot more loving of Yuno.
  • Control Freak: Saika measured everything Yuno did from how many hours she got to sleep to how many calories she had a day. She also kept her in a cage and starved her in an effort to raise her to be a model person.
  • Good Parents: In the 3rd-world by the last episode.
  • Hoist by Her Own Petard: Saika's abuse is what drove Yuno insane and lead to her killing her parents.
  • Married to the Job: Ushio would work late hours and keep neglecting Saika and Yuno at home.
  • Mood-Swinger: Saika, as shown in a conversation with Yuno.
  • My God, What Have I Done?: Saika in the 3rd-world has this epiphany over what she did to Yuno.
  • My Beloved Smother: Saika wanted Yuno to become the "perfect citizen", going as far as timing everything she did, from sleeping to eating.
  • Not So Different: Saika and Yuno, both of them starting as good people and then becoming crazy Yanderes.
  • Obliviously Evil: Ushio has no idea that Yuno is being abused by Saika the way she is, but his business-oriented neglect of both Saika and Yuko enables it to happen.
  • Papa Wolf: Ushio. In the 3rd-world, he rushes home when he was notified about his daughter whom he shows great concern for. He even took the knife meant to kill her.
  • Parental Abandonment: Yuno says they are working over-seas. Of course, this is a cover story in order to hide their deaths.
  • Parental Neglect: Ushio, who neglects both Yuno and Saika due to his Workaholic nature.
  • Posthumous Characters: By the time of the actual story, Yuno has already killed them. They are seen alive in the 3rd-world.
  • Took a Level in Kindness: Saika in the 3rd-world. After receiving psychological help, she becomes a lot more loving of Yuno and repairs her relationship with her, creating a wholesome family.
  • Troubled Abuser: Saika, who abused Yuno due to feeling neglected by her husband, and wanted Yuno to become a "perfect citizen" so that she would never suffer that same neglect from any man.
  • Workaholic: Ushio.
  • Yandere: Saika turns out to be this for her own husband and Yuno.

    Moe Wakaba 
https://static.tvtropes.org/pmwiki/pub/images/186px-242_3091.jpg
Voiced by: Mutsumi Tamura (JP), Alexis Tipton (EN)

Yuki's first love interest one year prior to the series. She was the class representative of Yuki and Yuno's class.


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    Gremory 

A demon given to Akise by 3rd-world Deus in the Redial manga and acts as his servant.


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